2x*-6x+9=400

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Solution for 2x*-6x+9=400 equation:


Simplifying
2x * -6x + 9 = 400

Reorder the terms for easier multiplication:
2 * -6x * x + 9 = 400

Multiply 2 * -6
-12x * x + 9 = 400

Multiply x * x
-12x2 + 9 = 400

Reorder the terms:
9 + -12x2 = 400

Solving
9 + -12x2 = 400

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-9' to each side of the equation.
9 + -9 + -12x2 = 400 + -9

Combine like terms: 9 + -9 = 0
0 + -12x2 = 400 + -9
-12x2 = 400 + -9

Combine like terms: 400 + -9 = 391
-12x2 = 391

Divide each side by '-12'.
x2 = -32.58333333

Simplifying
x2 = -32.58333333

Reorder the terms:
32.58333333 + x2 = -32.58333333 + 32.58333333

Combine like terms: -32.58333333 + 32.58333333 = 0.00000000
32.58333333 + x2 = 0.00000000

The solution to this equation could not be determined.

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